Author: Daniil Kovalev
Date: 2024-07-25T02:13:30+03:00
New Revision: 3f6eb13abf643afec17a73448ede380606531226

URL: 
https://github.com/llvm/llvm-project/commit/3f6eb13abf643afec17a73448ede380606531226
DIFF: 
https://github.com/llvm/llvm-project/commit/3f6eb13abf643afec17a73448ede380606531226.diff

LOG: [PAC][clang] Enable `-fptrauth-indirect-gotos` as part of pauthtest ABI 
(#100480)

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/Clang.cpp
    clang/test/Driver/aarch64-ptrauth.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Clang.cpp 
b/clang/lib/Driver/ToolChains/Clang.cpp
index 752a71739eeb5..d3edda3f10543 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -1512,6 +1512,10 @@ static void handlePAuthABI(const ArgList &DriverArgs, 
ArgStringList &CC1Args) {
           options::OPT_fno_ptrauth_vtable_pointer_type_discrimination))
     CC1Args.push_back("-fptrauth-vtable-pointer-type-discrimination");
 
+  if (!DriverArgs.hasArg(options::OPT_fptrauth_indirect_gotos,
+                         options::OPT_fno_ptrauth_indirect_gotos))
+    CC1Args.push_back("-fptrauth-indirect-gotos");
+
   if (!DriverArgs.hasArg(options::OPT_fptrauth_init_fini,
                          options::OPT_fno_ptrauth_init_fini))
     CC1Args.push_back("-fptrauth-init-fini");

diff  --git a/clang/test/Driver/aarch64-ptrauth.c 
b/clang/test/Driver/aarch64-ptrauth.c
index 20899b8920cf9..c8e3aeef1640a 100644
--- a/clang/test/Driver/aarch64-ptrauth.c
+++ b/clang/test/Driver/aarch64-ptrauth.c
@@ -21,16 +21,16 @@
 // RUN: %clang -### -c --target=aarch64-linux-pauthtest %s 2>&1 | FileCheck %s 
--check-prefix=PAUTHABI1
 // PAUTHABI1:      "-cc1"{{.*}} "-triple" "aarch64-unknown-linux-pauthtest"
 // PAUTHABI1-SAME: "-target-abi" "pauthtest"
-// PAUTHABI1-SAME: "-fptrauth-intrinsics" "-fptrauth-calls" 
"-fptrauth-returns" "-fptrauth-auth-traps" 
"-fptrauth-vtable-pointer-address-discrimination" 
"-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-init-fini"
+// PAUTHABI1-SAME: "-fptrauth-intrinsics" "-fptrauth-calls" 
"-fptrauth-returns" "-fptrauth-auth-traps" 
"-fptrauth-vtable-pointer-address-discrimination" 
"-fptrauth-vtable-pointer-type-discrimination" "-fptrauth-indirect-gotos" 
"-fptrauth-init-fini"
 
 // RUN: %clang -### -c --target=aarch64 -mabi=pauthtest 
-fno-ptrauth-intrinsics \
 // RUN:   -fno-ptrauth-calls -fno-ptrauth-returns -fno-ptrauth-auth-traps \
 // RUN:   -fno-ptrauth-vtable-pointer-address-discrimination 
-fno-ptrauth-vtable-pointer-type-discrimination \
-// RUN:   -fno-ptrauth-init-fini %s 2>&1 | FileCheck %s 
--check-prefix=PAUTHABI2
+// RUN:   -fno-ptrauth-indirect-gotos -fno-ptrauth-init-fini %s 2>&1 | 
FileCheck %s --check-prefix=PAUTHABI2
 // RUN: %clang -### -c --target=aarch64-pauthtest -fno-ptrauth-intrinsics \
 // RUN:   -fno-ptrauth-calls -fno-ptrauth-returns -fno-ptrauth-auth-traps \
 // RUN:   -fno-ptrauth-vtable-pointer-address-discrimination 
-fno-ptrauth-vtable-pointer-type-discrimination \
-// RUN:   -fno-ptrauth-init-fini %s 2>&1 | FileCheck %s 
--check-prefix=PAUTHABI2
+// RUN:   -fno-ptrauth-indirect-gotos -fno-ptrauth-init-fini %s 2>&1 | 
FileCheck %s --check-prefix=PAUTHABI2
 // PAUTHABI2:     "-cc1"
 // PAUTHABI2-NOT: "-fptrauth-
 


        
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